1111224250109 has 2 divisors, whose sum is σ = 1111224250110. Its totient is φ = 1111224250108.

The previous prime is 1111224250079. The next prime is 1111224250111. The reversal of 1111224250109 is 9010524221111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980935738084 + 130288512025 = 990422^2 + 360955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111224250109 - 2⁸ = 1111224249853 is a prime.

Together with 1111224250111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111224253109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555612125054 + 555612125055.

It is an arithmetic number, because the mean of its divisors is an integer number (555612125055).

Almost surely, 2^{1111224250109} is an apocalyptic number.

It is an amenable number.

1111224250109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111224250109 is an equidigital number, since it uses as much as digits as its factorization.

1111224250109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 1111224250109 in words is "one trillion, one hundred eleven billion, two hundred twenty-four million, two hundred fifty thousand, one hundred nine".